src/gallium/drivers/radeonsi/si_uvd.c

   1 /**************************************************************************
   2  *
   3  * Copyright 2011 Advanced Micro Devices, Inc.
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
   8  * "Software"), to deal in the Software without restriction, including
   9  * without limitation the rights to use, copy, modify, merge, publish,
  10  * distribute, sub license, and/or sell copies of the Software, and to
  11  * permit persons to whom the Software is furnished to do so, subject to
  12  * the following conditions:
  13  *
  14  * The above copyright notice and this permission notice (including the
  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  21  * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  **************************************************************************/
  27
  28 #include "radeon/radeon_uvd.h"
  29 #include "radeon/radeon_uvd_enc.h"
  30 #include "radeon/radeon_vce.h"
  31 #include "radeon/radeon_vcn_dec.h"
  32 #include "radeon/radeon_vcn_enc.h"
  33 #include "radeon/radeon_video.h"
  34 #include "si_pipe.h"
  35 #include "util/u_video.h"
  36
  37 /**
  38  * creates an video buffer with an UVD compatible memory layout
  39  */
  40 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
  41                                                  const struct pipe_video_buffer *tmpl)
  42 {
  43    struct pipe_video_buffer vidbuf = *tmpl;
  44    /* TODO: get tiling working */
  45    vidbuf.bind |= PIPE_BIND_LINEAR;
  46
  47    return vl_video_buffer_create_as_resource(pipe, &vidbuf);
  48 }
  49
  50 /* set the decoding target buffer offsets */
  51 static struct pb_buffer *si_uvd_set_dtb(struct ruvd_msg *msg, struct vl_video_buffer *buf)
  52 {
  53    struct si_screen *sscreen = (struct si_screen *)buf->base.context->screen;
  54    struct si_texture *luma = (struct si_texture *)buf->resources[0];
  55    struct si_texture *chroma = (struct si_texture *)buf->resources[1];
  56    enum ruvd_surface_type type =
  57       (sscreen->info.chip_class >= GFX9) ? RUVD_SURFACE_TYPE_GFX9 : RUVD_SURFACE_TYPE_LEGACY;
  58
  59    msg->body.decode.dt_field_mode = buf->base.interlaced;
  60
  61    si_uvd_set_dt_surfaces(msg, &luma->surface, (chroma) ? &chroma->surface : NULL, type);
  62
  63    return luma->buffer.buf;
  64 }
  65
  66 /* get the radeon resources for VCE */
  67 static void si_vce_get_buffer(struct pipe_resource *resource, struct pb_buffer **handle,
  68                               struct radeon_surf **surface)
  69 {
  70    struct si_texture *res = (struct si_texture *)resource;
  71
  72    if (handle)
  73       *handle = res->buffer.buf;
  74
  75    if (surface)
  76       *surface = &res->surface;
  77 }
  78
  79 /**
  80  * creates an UVD compatible decoder
  81  */
  82 struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
  83                                                const struct pipe_video_codec *templ)
  84 {
  85    struct si_context *ctx = (struct si_context *)context;
  86    bool vcn = ctx->family >= CHIP_RAVEN;
  87
  88    if (templ->entrypoint == PIPE_VIDEO_ENTRYPOINT_ENCODE) {
  89       if (vcn) {
  90          return radeon_create_encoder(context, templ, ctx->ws, si_vce_get_buffer);
  91       } else {
  92          if (u_reduce_video_profile(templ->profile) == PIPE_VIDEO_FORMAT_HEVC)
  93             return radeon_uvd_create_encoder(context, templ, ctx->ws, si_vce_get_buffer);
  94          else
  95             return si_vce_create_encoder(context, templ, ctx->ws, si_vce_get_buffer);
  96       }
  97    }
  98
  99    return (vcn) ? radeon_create_decoder(context, templ)
 100                 : si_common_uvd_create_decoder(context, templ, si_uvd_set_dtb);
 101 }